A shadow was cast—literally—across Europe's historic mission to land on and explore a comet. Scientists said Thursday the landing craft not only bounced twice, it also came to rest next to a cliff that's ...

Imagine launching a robotic spacecraft on a ten-year mission to land on a comet, 600 million kilometres from Earth, knowing that you will not be able to make any physical repairs to the craft during the journey. ...

The European Space Agency on Thursday published the first image taken from the surface of a comet, and said that its Philae lander is still "stable" despite a failure to latch on properly to the rocky terrain.

The European Space Agency has achieved a historic first—landing a washing machine-sized spacecraft on a comet speeding through our solar system at 41,000 mph (66,000 kph). Here are answers to five questio ...

A European probe Wednesday made the first-ever landing on a comet in a quest to explore the origins of the Solar System, but there were concerns over whether it was fastened securely enough to carry out ...

Landing with a bounce after traveling 4 billion miles, a European spacecraft made history Wednesday by successfully reaching the icy, dusty surface of a speeding comet—a cosmic first designed to answer ...